Comb



FIG. 1 is a side elevational view of a comb showing my new design, the opposite side being a mirror image;

FIG. 2 is a bottom plan view thereof; and

FIG. 3 is a top plan view thereof.

FIG. 4 is an end view of the comb of the present invention. 

The ornamental design for a comb, as shown and described. 